Medina, S. (2010). Helping Around the World. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoMedina, Sarah. Helping Around the World. Oxford: Oxford University Press, 2010.
ציטוט MLAMedina, Sarah. Helping Around the World. Oxford: Oxford University Press, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.